peanut butter sheet cake

Ingredients For peanut butter sheet cake

• 2 c

  all purpose flour
• 2 c

  sugar
• 1 tsp

  baking soda
• 1/2 tsp

  salt
• 1 c

  water
• 3/4 c

  butter
• 1/2 c

  chunky peanut butter
• 1/4 c

  vegetable oil
• 2

  eggs
• 1/2 c

  buttermilk
• GLAZE
• 2/3 c

  sugar
• 1/3 c

  evaporated milk
• 1 Tbsp

  butter
• 1/3 c

  chunky peanut butter
• 1/3 c

  miniature marshmallows
• 1/2 tsp

  vanilla extract